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110 2nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> E4 <br /> Mccampbell Analytical Inc Telephone 925 798-3620 Fax 925-798-1622 <br />' http Ilwww mccampbell com E mail mainr®Rmccampbell coin <br /> QC SUMMARY REPORT FOR SW8021BI8015Cm <br /> Matrix W WorkOrder 0301015 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 5525 Spiked Sample ID 0301013-005A <br /> Sample Spiked MS" MSD- MS-MSO- LCS LCSD I LCS-LCSD Acceptance Criteria(%) <br /> Comppund — <br />' VgIL dig/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) NO 60 105 113 7 10 I 936 806 t 149 80 120 <br />' MTBE ND 10 101 105 461 82 828 0 945 80 120 <br /> Benzene ND 10 111 115 3 22 90 1 889 t 34 80 120 <br /> Toluene NO 10 104 108 2 94 92 92 6 0 680 1 80 120 <br />' Ethylbenzene NO 10 110 114 3 84 896 893 ii 0 408 80 1 120 <br /> Xylenes NO 30 110 113 299 95 947 0 351 I` 80 120 <br />' %5S 101 100 T105 104 0 184 I $4 1 83 3 — 0 926 i 80 120 <br /> - -TAll target compounds in the Method Blank of this extraction batch were ND less than the method RL with the fallowing exceptions <br /> ' NONE <br /> r <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matnx Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> I <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> le <br /> NR=anatyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount far water matrix or sample diluted due to high matrix or <br /> analyte content <br /> I %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100'(MS-MSD)/(MS+MSD)'2 <br /> 'MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> 1 analyte relative to the amount spiked or b)if that specific sample rnatrnc interferes with spike recovery <br />